"Not only will that reduce mercury emissions by 90% in the air, but we also know that the technology will help us see further improvements in the water quality as well," informs Minnesota Power spokesperson Amy Rutledge.

Rutledge says the company has been active in continually working toward cleaner energy.

"We want to be able to keep providing the reliable and affordable energy that they expect from us while at the same time making sure we're protecting the health of this community and also the environment," Rutledge adds.

However, Rutledge says a complete switch from coal would make energy unreliable and unaffordable.

The EPA has set up a public comment period for stricter water laws.They'll be accepting comments through September 20th.